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Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: KARASSN wireless alarm
  • Model Number: KS-200B
  • Usage: Personal
  • Color: Grey
  • Material: Plastic
  • Frequency: 229MHz Wireless Alarm
  • Working Voltage: AC 220V±15%; DC 9.6V - 14V
  • Standby Current: Better Than 0.2UV
  • Wireless Receiving Sensitivity: Wall-Mounted
  • Alarm Loudness: Equal or More 100db Within 1m
  • Distance: 3-10 Km
  • Certification: CCC, CE, ISO
  • Warranty: One year

Packaging & Delivery

Packaging Details Each wireless alarm in color box packing
Delivery Time 25-30 days for wireless alarm, 1 day for sample


KARASSN KS-200B Wireless Alarm





This wireless alarm system is a type of long-distance wireless alarm system, which is a complete area alarm

 system, composed of a main unit and 100 wireless detectors. The alarm host adopts secondary frequency 

conversion processing technology and adopts 8-bit single chip as control core. It has advantages of high 

receiving sensitivity, easy operation, powerful functions and stable performance.


Main Feature

2. Main Feature


  • Dial Module is optional
  • Real Time module is optional.
  • 60 pieces of latest alarm message can be inquiried.
  • Rechargeble backup battery (12V 1.2Ah) is optional
  • 10 pieces of latest alarm message can be scroll display simultaneously.
  • Three kinds of alarm sound and four levels of alarm volumes are optional.
  • The detectors can automatically match codes with alarm host. it's simple and tast.

  • Two groups of timer-open/time-colse time can be set, and it also indicate the current state.

  • A group of normal open, a group of normal close and +12V DC outputting are provided to control other devices ( e.g., startup alarm siren, alarm light, alarm linkage and etc.)



3. Specifications



KS-200B wireless alarm



Working voltage

AC 220V±15%; DC 9.6V - 14V

Standby current

equal or less 70mA (including)

Wireless receiving sensitivity

better than 0.2μV

 (12dB signal-to-noise ratio)

Alarm loudness

equal or more 100dB within 1m


3-10 Km

Wireless Frequency

229MHz wireless alarm


262*185*67 (mm) L*W*H




Detailed Drawing

4. Detailed Drawing



5. Application


This wireless alarm can be widely used in industrial and mining establishments, schools, warehouse, villas,  office 

buildings and other locations.


Shipping & Payment

6. Shipping & Payment



10 Sets wireless alarm


Sample available for wireless alarm


by Air, Sea or Express, such as DHL/FEDEX/UPS etc.


L/C, T/T, Western Union, Escrow




7. Company


Karassn Security Protection Electronics Co., LTD was founded in 2000. The company had invested over 

USD1 million establish its own production line and design Department.

Nature of Business
Manufacturing & exporting more than 50kinds of alarm systems. GSM/PSTN alarm system, Home/Commercial

/Industrial alarm system, Wireless Visible alarm system, Wireless Long distance alarm system and wireless/wired accessories. Customers are exporters, importers department stores

 & promotion agents. 

Size & Capacity
Karassn factory in China has 6000squ area, employing over 250 staffs. Production Line Capacity each month

 is 30,000 sets alarm systems with turnover around USD9.5 million yearly. 

Quality Control
All goods to be shipped are ensuring of top quality by carrying inspection procedures set by our own or client

 requirement(s). We follow the ISO 9001 guidelines for the mass production. 




Exhibition Show 


8. Production Flow




9. Certification




10. Team Show




11. Why choose us?


  1. OEM and ODM available;
  2. Certification: CE , CCC, ISO9001;
  3. 7 full new moving assemble lines;
  4. Over 250 employees and 50 R&D engineers;
  5. Supplier Assessed by Bureau Veritas France;
  6. 14 years experience specialize in designing, manufacturing alarm systems;
  7. 14 years experience in overseas market. Customers are from more than 50 countries;


12. Contact Us



Karassn Security Protection Electronics Co., Ltd.


Add: Karassn Industrial Area, 1 Road, Economic & Technologic Zone,

         Quanzhou City, Fujian Province, 362000 China

TEL: +86-595-22418895

FAX: +86-595-22418857


Attn: Stone

Wahts APP and wechat: +86-183 5985 7337


KARASSN KS-200B Wireless Alarm

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